How To Fix MDG_REF_DATA007 - System failure while connecting to target system with RFC connection &1

MDG_REF_DATA007 - Overview

• Message type: E = Error

• Message class: MDG_REF_DATA - Message Class for Reference Data messages

• Message number: 007

• Message text: System failure while connecting to target system with RFC connection &1

What causes this issue?

Error while connecting to target system using the RFC connection &V1&
with user &V2&.

System Response

Replication failed because of errors encountered while connecting to the
target system.

How to fix this error?

Check if the user ID exists in the target system for the logged on user
&V2&. It is a prerequisite that the user has the authorization to use
the RFC connection &V1&.
You can also contact the system administrator.

Procedure for System Administrators

Create user &V2& in the target system using the RFC connection &V1&.
Allow the user &V2& authorization for the RFC connection &V1&.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

MDG_REF_DATA007 - Details

• The SAP error message MDG_REF_DATA007 indicates a system failure while attempting to connect to a target system using an RFC (Remote Function Call) connection. This error can occur in various scenarios, particularly in Master Data Governance (MDG) processes where data needs to be synchronized or validated against external systems.
  Causes:
  
  RFC Connection Issues: The RFC connection to the target system may not be configured correctly, or the target system may be down or unreachable.
  Authorization Problems: The user credentials used for the RFC connection may not have the necessary authorizations to access the target system.
  Network Issues: There may be network connectivity problems between the SAP system and the target system.
  Configuration Errors: Incorrect settings in the RFC destination configuration (transaction code SM59) can lead to connection failures.
  System Performance: The target system may be experiencing performance issues or may be overloaded, causing it to reject new connections.
  Transport Layer Issues: Problems with the transport layer (like